Although astaxanthin has anti-oxidant properties, the ability of astaxanthin to resist oxidation from different sources is quite different. in conclusion:
Natural Astaxanthin is better than synthetic astaxanthin, and natural astaxanthin from Haematococcus pluvialis is better than natural astaxanthin from other sources.
The natural astaxanthin extracted from Haematococcus pluvialis has an advantage in concentration and antioxidant activity compared to other sources of astaxanthin.
Concentration: The content of natural astaxanthin in the waste shell of shrimp and crab is only about 80 μg/g. In the Haematococcus pluvialis, the content of astaxanthin can reach 10,000 ~ 40000μg / g, which is 1000 ~ 4000 times that of squid meat, so it is considered to be the highest natural astaxanthin content in nature.
Antioxidant activity: Astaxanthin has three isoforms: levorotatory, meso- and dextrorotatory. Among the sources of natural astaxanthin, only the astaxanthin of the algae source (N. aureus) is a 100% left-handed structure. The left-handed structure has the highest antioxidant activity relative to other structures.
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